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150
Chinese make paper from rags.
After the chinese made paper, by teh 400's India started too.
People all over the world started using paper. -
Jan 1, 776
B.C. Homing pigeons carry messages about the Olympics for Ancient Greeks
They used the pigeons to send messages during wars.
Homing range was no more than a mile apart. -
Jun 3, 1450
Johann Gutenberg invents a printing prss using movable metal type.
A German Poem was the first thing to printed.
Printing press made 240 prints per hour.
He died Feb. 3,1468 -
Early newspapers are published in Germany.
They were first hand-written.
They were printed in Strasbourg.
The first newspaper was the Avisa -
Mechanicla semaphore is invented in France
Semaphore lines were a precurs or the electric telegraph.
There was a deserted communication in France in 1792. -
Ada Byron, a mathematician, writes the world's first computer program for the computing machine designed by Charles Babbage, but never built.
She was still young when she met Babbage.
Published notes on computing into two books.
They were published as The Ladies Diary and Scientific Memories. -
Samuel Morse invents a telegraph that can send short and long beeps, called "dots" and "dashes"
He also invented the Morse Codes.
He was a painter before he was an inventor.
It was later better by adapting it to Wheatstone's telegraph. -
First succesful transmissions over a transatlantic cable.
The SS Great Eastern succeded in laying cables.
The first transmission was a thanks.
Two cables had to be lais because the first attempt failed. -
Alexander Graham Bell invents the telephone, transmitting the sound of the voice clearly over electical wires.
He misunderstood information that led him to his succes.
By 1875 he had constucted it but needed work.
He began teh project to help the deaf but ended up with inventing the telephone. -
Thomas Edison invents the phonograph, a devise to record sound on a wax cylinder.
The phonograph record was one of the dominant audio recording in the 20th century.
The phonograph was replaced with a CD. -
First long distance phone callls are made.
It was between Boston and New York.
The call was between President Hayes adn Alexander Graham Bell.
The first coast to coast call in the U.S. in 1915. -
Gugliermo Marconi sends the first radio signals across the Atlantic Ocean.
At the time telegraphing wire was teh quickest way to get/ send messages.
The message was sent from England.
The message was sent to Canada. -
Pictures are first transmitted over telephone lines.
IMB adapted this technology.
It transmits pounch cards 25 bits/sec. -
Very first few homes get television sets to watch broadcast programs.
The first televisions were 1.52 inches.
First regular programming was Tuesday, Thursday and Friday.
On July 2 1928, Charts Jenkings began teh first regular broadcast. -
First communications satellite is launched, allowing live bradcast of the 1964 Olympics.
They are artificial satellites.
Its only purpose is telecommunications.
They have to have 5 important subsystems. -
The first e-mail messages are sent
The messages were sent during the summer.
They were sent by engineer Ray Tomilson.
He graduated from the Massachustes Institute of Technology. -
The personal computer, both small and powerful, is invented
-Invented by Bill Gates and Paul Allen
-They also invented differrent computers
-They invented both a small and powerful computer -
The first cell phones are availble on sale
-A type of wireless comunication
-concept began in 1947
-they use to be block sizes -
Tim Berners-Lee invents the World Wide Web
The World Wide Web was invented at CERN in Switzerland.
Official proposal for WWW-Nov. 12 1990
He was 36 when he invented the WWW -
Marc Andreeson creates the first browser program allowing people to navigate the web.
Andreeson created his own company after making the browser.
The browser was called Mosaic.
It was later called Netscape. -
B.C. Sumerians record pictographs representinfg words on clay tablets.
It was Cuneiforw writting.
They were written in vertical collums.
They wrote witha stylus. -
B.C. Chinese develope postal system to deliver written messages.
It was the first postal system developed.
It was developed for governmental purposes.
It could not be used by the average person. -
Byzantine ship captains use colored flags to send signals to one another across water.
The admiral gave signals.
They were given from different sides and heights of the flagship.
It could also be signaled by firs of smoke. -
Chinese invent printing by inking carved wood blocks.
2 main types of printing are woodblock and moveable.
The first fragments to survive from China of Silk printed with flowers.
That was from the Han dynesty.
